According to the relevant regulations, products export to Nigeria which is under supervision of NAFDAC, needs to test quality in designated organization. The testing results must be qualified, before shipment. Recently, we, Rech Chemical Co., LTD, have a new customer in Nigeria need CRIA certification of ferrous sulfate heptahdrate Now, we would like to share the supervision requirements and records of the ferrous sulphate heptahydrate. [Read More]